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DIY INVENTION CRAWLER ROBOT STEM EDUCATION
DIY crawler robot STEM kit for students and hobbyists to learn robotics, electronics, and engineering through hands-on projects.
The DIY Invention Crawler Robot STEM Education Kit is an interactive robotics kit designed for students, hobbyists, and young engineers to explore the fundamentals of mechanics, electronics, and robotics. This kit enables you to build a crawler-style robot capable of moving over various surfaces while learning about motor control, gear systems, and circuit integration.
With easy-to-assemble components, DC motors, and a simple control system, this STEM kit promotes hands-on learning, problem-solving skills, and creativity. Ideal for STEM education, robotics competitions, and DIY electronics projects, it provides an engaging way to develop practical engineering knowledge.

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Text to Speech TTL Module (Serial to Speech)
-  Single row 0.1″ header for easy connection to a host system
- Power requirements: +5 VDC
- 30 mA idle
- 46-220 mA active (depending on speech parameters and output load)
- Â Communication: Asynchronous 9600 bps serial (8N1)
- Dimensions: 1.25″x1.5″x0.37″
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Text support rate is better
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 Interface operation is simpler
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5V single power supply.
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Output directly connected to the speaker, can drive 4 ohms 3W / 8 ohm 2W speakers
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Busy status output, can be connected to the microcontroller IO or indicator light, no need to be left floating.
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 Voice effect optimization
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 Module miniaturization and easy integration
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Dimension: 33*27.5mm
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With mounting holes

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